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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PluginTest_h
#define PluginTest_h
#include <WebKit/npfunctions.h>
#include <assert.h>
#include <map>
#include <string>
// Helper classes for implementing has_member
typedef char (&no_tag)[1];
typedef char (&yes_tag)[2];
#define DEFINE_HAS_MEMBER_CHECK(member, returnType, argumentTypes) \
template<typename T, returnType (T::*member) argumentTypes> struct pmf_##member##_helper {}; \
template<typename T> no_tag has_member_##member##_helper(...); \
template<typename T> yes_tag has_member_##member##_helper(pmf_##member##_helper<T, &T::member >*); \
template<typename T> struct has_member_##member { \
static const bool value = sizeof(has_member_##member##_helper<T>(0)) == sizeof(yes_tag); \
};
DEFINE_HAS_MEMBER_CHECK(hasMethod, bool, (NPIdentifier methodName));
DEFINE_HAS_MEMBER_CHECK(invoke, bool, (NPIdentifier methodName, const NPVariant*, uint32_t, NPVariant* result));
DEFINE_HAS_MEMBER_CHECK(invokeDefault, bool, (const NPVariant*, uint32_t, NPVariant* result));
DEFINE_HAS_MEMBER_CHECK(hasProperty, bool, (NPIdentifier propertyName));
DEFINE_HAS_MEMBER_CHECK(getProperty, bool, (NPIdentifier propertyName, NPVariant* result));
class PluginTest {
public:
static PluginTest* create(NPP, const std::string& identifier);
virtual ~PluginTest();
// NPP functions.
virtual NPError NPP_New(NPMIMEType pluginType, uint16_t mode, int16_t argc, char *argn[], char *argv[], NPSavedData *saved);
virtual NPError NPP_Destroy(NPSavedData**);
virtual NPError NPP_DestroyStream(NPStream* stream, NPReason reason);
virtual NPError NPP_GetValue(NPPVariable, void* value);
virtual NPError NPP_SetWindow(NPP, NPWindow*);
// NPN functions.
void NPN_InvalidateRect(NPRect* invalidRect);
NPIdentifier NPN_GetStringIdentifier(const NPUTF8* name);
NPIdentifier NPN_GetIntIdentifier(int32_t intid);
NPError NPN_GetValue(NPNVariable, void* value);
NPObject* NPN_CreateObject(NPClass*);
bool NPN_RemoveProperty(NPObject*, NPIdentifier propertyName);
void executeScript(const char*);
template<typename TestClassTy> class Register {
public:
Register(const std::string& identifier)
{
registerCreateTestFunction(identifier, Register::create);
}
private:
static PluginTest* create(NPP npp, const std::string& identifier)
{
return new TestClassTy(npp, identifier);
}
};
protected:
PluginTest(NPP npp, const std::string& identifier);
// FIXME: A plug-in test shouldn't need to know about it's NPP. Make this private.
NPP m_npp;
const std::string& identifier() const { return m_identifier; }
void waitUntilDone();
void notifyDone();
// NPObject helper template.
template<typename T> struct Object : NPObject {
public:
static NPObject* create(PluginTest* pluginTest)
{
Object* object = static_cast<Object*>(pluginTest->NPN_CreateObject(npClass()));
object->m_pluginTest = pluginTest;
return object;
}
// These should never be called.
bool hasMethod(NPIdentifier methodName)
{
assert(false);
return false;
}
bool invoke(NPIdentifier methodName, const NPVariant*, uint32_t, NPVariant* result)
{
assert(false);
return false;
}
bool invokeDefault(const NPVariant*, uint32_t, NPVariant* result)
{
assert(false);
return false;
}
bool hasProperty(NPIdentifier propertyName)
{
assert(false);
return false;
}
bool getProperty(NPIdentifier propertyName, NPVariant* result)
{
assert(false);
return false;
}
protected:
Object()
: m_pluginTest(0)
{
}
virtual ~Object()
{
}
PluginTest* pluginTest() const { return m_pluginTest; }
private:
static NPObject* NP_Allocate(NPP npp, NPClass* aClass)
{
return new T;
}
static void NP_Deallocate(NPObject* npObject)
{
delete static_cast<T*>(npObject);
}
static bool NP_HasMethod(NPObject* npObject, NPIdentifier methodName)
{
return static_cast<T*>(npObject)->hasMethod(methodName);
}
static bool NP_Invoke(NPObject* npObject, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result)
{
return static_cast<T*>(npObject)->invoke(methodName, arguments, argumentCount, result);
}
static bool NP_InvokeDefault(NPObject* npObject, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result)
{
return static_cast<T*>(npObject)->invokeDefault(arguments, argumentCount, result);
}
static bool NP_HasProperty(NPObject* npObject, NPIdentifier propertyName)
{
return static_cast<T*>(npObject)->hasProperty(propertyName);
}
static bool NP_GetProperty(NPObject* npObject, NPIdentifier propertyName, NPVariant* result)
{
return static_cast<T*>(npObject)->getProperty(propertyName, result);
}
static NPClass* npClass()
{
static NPClass npClass = {
NP_CLASS_STRUCT_VERSION,
NP_Allocate,
NP_Deallocate,
0, // NPClass::invalidate
has_member_hasMethod<T>::value ? NP_HasMethod : 0,
has_member_invoke<T>::value ? NP_Invoke : 0,
has_member_invokeDefault<T>::value ? NP_InvokeDefault : 0,
has_member_hasProperty<T>::value ? NP_HasProperty : 0,
has_member_getProperty<T>::value ? NP_GetProperty : 0,
0, // NPClass::setProperty
0, // NPClass::removeProperty
0, // NPClass::enumerate
0 // NPClass::construct
};
return &npClass;
};
PluginTest* m_pluginTest;
};
private:
typedef PluginTest* (*CreateTestFunction)(NPP, const std::string&);
static void registerCreateTestFunction(const std::string&, CreateTestFunction);
static std::map<std::string, CreateTestFunction>& createTestFunctions();
std::string m_identifier;
};
#endif // PluginTest_h
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